This is to highlight the
importance of CT Urography in evaluating the cases ofrenal/ ureteric colic with equivocal signs and borderline findings
onultrasonography and intra venous urography. A
small calculus can be seen in theright middle
third ureter withinsignificant proximal
dilatation. The 3D image alsoincreases the
sensitivity and specificity of this investigation. This patient wasmanaged with lithocast through a ureterorenoscope withsatisfactory recovery.